Cita APA (7th ed.)

Hamann, J. G. (1957). Der Schlüssel: 1750-1788. Herder.

Cita Chicago (17th ed.)

Hamann, Johann Georg. Der Schlüssel: 1750-1788. Wien: Herder, 1957.

Cita MLA (8th ed.)

Hamann, Johann Georg. Der Schlüssel: 1750-1788. Herder, 1957.